CI Caching (#201)

Closes #142 
Closes #112 (other failures seem irrelevant)

Author: Arcticae

.github/workflows/ci.yml

@@ -19,6 +19,10 @@ jobs:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@dd05243424bd5c0e585e4b55eb2d7615cdd32f1f
+        with:
+          workspaces: |
+            starknet-foundry
+            cairo
       - uses: software-mansion/[email protected]
         with:
           scarb-version: ${{ env.SCARB_VERSION }}
@@ -37,6 +41,9 @@ jobs:
         with:
           toolchain: stable
       - uses: Swatinem/rust-cache@dd05243424bd5c0e585e4b55eb2d7615cdd32f1f
+        with:
+          workspaces: |
+            starknet-foundry
       - uses: actions/setup-python@v4
         with:
           python-version: '3.9'
@@ -66,6 +73,10 @@ jobs:
         with:
           toolchain: stable
       - uses: Swatinem/rust-cache@dd05243424bd5c0e585e4b55eb2d7615cdd32f1f
+        with:
+          workspaces: |
+            starknet-foundry
+            cairo
       - name: Check forge formatting
         run: cargo fmt --manifest-path ./starknet-foundry/Cargo.toml --check -p forge
       - name: Check cast formatting
@@ -88,5 +99,9 @@ jobs:
         with:
           toolchain: stable
       - uses: Swatinem/rust-cache@dd05243424bd5c0e585e4b55eb2d7615cdd32f1f
+        with:
+          workspaces: |
+            starknet-foundry
+            cairo
       - run: cargo lint
         working-directory: ./starknet-foundry